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Service bulletins for the 2012 Chevrolet Sonic

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1589 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Automatic transmission are shown. Show all

Bulletins, newest first
PIP4112M2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to first gear.
PIP4112L2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to first gear.
PIP5043A2017-08-15. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary Information communication provides information to the technician about vehicles that have a grind growl noise on the 1-2 shift that can be felt in the clutch pedal and brake pedal if applied during a 1-2 shift under light or normal acceleration. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle.
PIP5050A2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary Information communication provides information to the technician about vehicles that have a vibration that is only present in fourth gear when lugging the engine. Technician will need to contact General Motors Technical Assistance Center if the vibration is fourth gear only verify correct shift system adjustment and if no change.
PIP4112N2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to first gear.
PIP4990C2017-03-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A SERVICE ENGINE SOON THAT COMES ON. TECHNICIAN MAY FIND A DIAGNOSTIC TROUBLE CODE U0101 CURRENT OR STORED HISTORY. TECHNICIAN SO CHECK TERMINAL PIN FIT AT TRANSMISSION CONNECTOR, UNDER HOOD FUSE BLOCK. ALSO THE TRANSMISSION CONTROL MODULE GROUND WILL NEED TO BE INSPECTED. TECHNICIAN WILL REVIEW THE APPROPRIATE SERVICE INFORMATION DIAGNOSTICS FOR DTC U0101.
PI0928C2016-06-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
14234A2016-05-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIE02302016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP5050B2016-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI-08052012-11-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL). CHEVROLET: TRANSMISSION STICKS IN THIRD GEAR OR FLARE OR SLIP IN THIRD GEAR OR NO THIRD GEAR, DUE TO POSSIBLE RUBBING CONTACT OF CLUTCH HOUSING 3-5-R/4-5-6 AND REACTION CARRIER HUB. MODEL 2012 SONIC. *PE
PI0670B2012-05-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. GM: DIAGNOSTIC TIPS FOR DTC P0776, SLIPS WHEN REVERSE IS SELECTED OR NO REVERSE. SLIP OR FLARE WHEN SHIFTING INTO THIRD/ FIFTH GEAR OR NO THIRD/FIFTH GEAR. ALSO INCLUDED MODEL CHEVROLET CAPTIVA SPORT MODEL YEAR 2012. MODEL CHEVROLET ORLANDO (CANADA) MODEL YEAR 2012. *JS
PI-0324-C2012-04-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE AND ENGINE COOLING. GMC/CHEVROLET/BUICK: TRANSMISSION PUMP NEEDS INSPECTING DUE TO ENGINE CRANKING BUT FAILS TO START, HAS NO FORWARD, NO REVERSE, TRANSMISSION LEAKS, HARD SHIFT AND NO CRANKING. *PE UPDATED 2/25/13. *PE UPDATED 1/29/2014 *JS
PI-06702012-04-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GMC/BUICK/CHEVROLET: TRANSMISSION SLIPS WHEN IN REVERSE OR NOT IN REVERSE, 3RD GEAR OR NO 3RD GEAR, FLARE SHIFTING TO 5TH OR NO 5TH GEAR. *PE UPDATED 4/17/12. *PE
PIP-4624-M2012-04-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CHEVROLET/BUICK/GMC: RESTRICTION, THROUGH THE PQC, HAS BEEN PLACED ON THE VALVE CONTROL SOLENOID (TEHCM) P/N 24256524 AND 24265367, TO ASSIST ENGINEERING FEEDBACK PRODUCT. *PE
PIP-49902012-03-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION. BUICK/CHEVROLET/GMC/PONTIAC/SATURN: SOME MODEL YEAR VEHICLES MAY EXPERIENCE SERVICE ENGINE SOON (SES) LAMP ILLUMINATED. ISSUE MAY BE CAUSED BY THE CONTROL SOLENOID/MODULE ASSEMBLY OR MAY HAVE DAMAGED OR POOR TERMINALS FOR UNDER HOOD FUSE BLOCK. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.